Computer-generated holographic optical tweezer arrays
Abstract
Holographic techniques significantly extend the capabilities of laser tweezing, making possible extended trapping patterns for manipulating large numbers of particles and volumes of soft matter. We describe practical methods for creating arbitrary configurations of optical tweezers using computer-generated diffractive optical elements. While the discussion focuses on ways to create planar arrays of identical tweezers, the approach can be generalized to three-dimensional arrangements of heterogeneous tweezers and extended trapping patterns.
- Publication:
-
Review of Scientific Instruments
- Pub Date:
- March 2001
- DOI:
- 10.1063/1.1344176
- arXiv:
- arXiv:cond-mat/0008414
- Bibcode:
- 2001RScI...72.1810D
- Keywords:
-
- 87.80.Cc;
- 42.50.Vk;
- 42.40.Eq;
- 42.40.Jv;
- 39.25.+k;
- 42.82.Cr;
- 42.30.Kq;
- Optical trapping;
- Mechanical effects of light on atoms molecules electrons and ions;
- Holographic optical elements;
- holographic gratings;
- Computer-generated holograms;
- Atom manipulation;
- Fabrication techniques;
- lithography pattern transfer;
- Fourier optics;
- Condensed Matter - Soft Condensed Matter;
- Condensed Matter - Materials Science
- E-Print:
- 8 pages, 9 Postscript figures, REVTeX source. For related materials, see http://griergroup.uchicago.edu/~grier/